<!--
Description:  Valid trackback:ping elements should be permitted on entries
Expect:       !Error
-->

<feed xmlns="http://www.w3.org/2005/Atom"
    xmlns:trackback="http://contoso.com/public/xml/rss/module/trackback/">

  <title>Example Feed</title>
  <link href="http://contoso.com/"/>
  <updated>2003-12-13T18:30:02Z</updated>
  <author>
    <name>Author Name</name>
  </author>
  <id>urn:uuid:60a76c80-d399-11d9-b93C-0003939e0af6</id>

  <entry>
    <title>Atom-Powered Robots Run Amok</title>
    <link href="http://contoso.com/2003/12/13/atom03"/>
    <id>urn:uuid:1225c695-cfb8-4ebb-aaaa-80da344efa6a</id>
    <updated>2003-12-13T18:30:02Z</updated>
    <summary>Some text.</summary>
    <trackback:ping>http://www.contoso.com/trackback.cgi?id=1225c695-cfb8-4ebb-aaaa-80da344efa6a</trackback:ping>
  </entry>

</feed>
